Rainbow Bar Rainfall ForecastUnited KingdomSEHampshireRainbow BarToday 28 Apr10%Wed 29 Apr5%Thu 30 AprNo RainFri 1 May35%Sat 2 May45%Sun 3 May20%Mon 4 May45%Rainbow Bar rainfall forecast issued today at 7:39 am. Next forecast at approx. 9:39 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dean Hill (Wiltshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads